An international team of astronomers says it has discovered a strange planet outside the solar system, dubbed PSO J318.5-22, that's not orbiting around stars. WSJ's Monika Vosough reports. (Photo: MPIA/V. Ch. Quetz)

This transcript has been automatically generated and may not be 100% accurate.

... I ... the the the this planet is a new board and its floating all alone in space ... an international team of astronomers discovered a rare find outside the solar system ... eighty light years from the two telescopes and why ... what's special about the planet ... as it has an all-star toolbar that ... it's only twelve million years old which is young in the world of planets ... and has features similar to those of gas giant planets orbiting stars ... but this one is drifting alone but I decided to keep it warm ... it's the it's ... the view that the members has never been seen before ... and ... as long as it appears that his object was all the pieces together we realize the fans a taste ... scientists have been able to take pictures of the handful of extra solar planets ... in the past decade ... but they were all orbiting around stocks this is on the planet as excited as shown in the snow because the lack of a Brightstar toasty ... makes it much easier to study